pengenalan
Thank you for choosing the DUMOS Ergonomic Home Office Desk Chair. This manual provides essential information for the safe assembly, operation, and maintenance of your new chair. Designed for comfort and support, this chair features a robust 500lbs weight capacity, adjustable lumbar support, 4D armrests, and a breathable mesh back, ensuring a comfortable experience for extended periods. Please read this manual thoroughly before assembly and use.

Persediaan dan Perhimpunan
Your DUMOS Ergonomic Home Office Desk Chair requires assembly. While detailed step-by-step instructions with diagrams are typically included in the product packaging, here are general guidelines and key components:
Langkah Perhimpunan Agung:
- Buka Pembungkusan Komponen: Carefully remove all parts from the packaging and lay them out on a clean, soft surface to prevent scratches. Verify all parts are present according to the packing list.
- Pasang Kastor ke Pangkalan: Insert the casters into the holes on the chair base until they click securely into place.
- Masukkan Pengangkat Gas: Letakkan silinder pengangkat gas ke dalam lubang tengah tapak kerusi.
- Pasang Tempat Duduk dan Sandaran: Attach the backrest to the seat mechanism using the provided screws. Ensure all connections are firm.
- Pasang tempat letak tangan: Secure the 4D adjustable armrests to the seat using the designated screws.
- Sambungkan Tempat Duduk ke Lif Gas: Letakkan tempat duduk yang dipasang dengan berhati-hati pada silinder lif gas, pastikan ia berada di tengah dan stabil.
- Pemeriksaan Akhir: Once assembled, check all screws and connections to ensure they are tightened securely. Test all adjustment functions before regular use.
Nota: For detailed, illustrated assembly instructions, please refer to the manual included in your product packaging.
Arahan Operasi
Your DUMOS office chair offers several adjustment features to customize your seating experience:
1. Pelarasan Sokongan Lumbar
The dynamic adjustable lumbar support is designed to conform to the natural curve of your spine. To adjust the lumbar support, move the pillow design up or down to find the position that best supports your lower back.

2. Rocking Mode and Height Adjustment
The chair features a rocking mode and height adjustment for optimal comfort.
- Activating Rocking Mode: Locate the rocking pressure adjustor under the seat. Adjust it to activate the rocking function, allowing the chair to gently recline up to 130 degrees. This mode is ideal for relaxing and reducing stress.
- Melaraskan Ketinggian Kerusi: Use the lifting lever located under the seat to adjust the chair's height. Pull the lever up while seated to lower the chair, or pull it up while standing to raise it. Release the lever at your desired height.

3. Pelarasan Tempat Letak Tangan 4D
The armrests are 4-dimensionally adjustable to suit various user preferences and body types:
- Atas bawah: Press the lift hold button on the armrest and move it vertically to adjust the height.
- Putaran Mendatar: Rotate the armrest pads horizontally up to 15 degrees.
- Depan & Belakang: Slide the armrest pads forward or backward.
- Kiri kanan: Adjust the armrest pads laterally to suit your shoulder position.

Penyelenggaraan
Proper care and maintenance will extend the life and appearance of your chair.
- Cleaning Mesh and Fabric: For general cleaning, wipe the mesh backrest and fabric seat cushion with a damp kain dan sabun lembut. Elakkan bahan kimia yang keras atau pembersih yang kasar.
- Cleaning Base and Casters: Wipe the metal base and plastic casters with a damp cloth. Periodically check casters for accumulated debris (hair, dust) and clean them to ensure smooth rolling.
- Perkakasan Mengetatkan: Periodically check all screws and bolts to ensure they are tight. Loose hardware can affect the chair's stability and safety.
- Elakkan Cahaya Matahari Terus: Prolonged exposure to direct sunlight can cause fading and degradation of materials.
Menyelesaikan masalah
Berikut ialah penyelesaian kepada isu biasa yang mungkin anda hadapi:
- Kerusi berdecit: Check all bolts and screws and tighten them. A small amount of silicone lubricant can be applied to moving parts or joints if squeaking persists.
- Chair Wobbles/Unstable: Ensure all assembly screws are fully tightened. Check that the casters are properly inserted into the base.
- Pengangkat Gas Tidak Melaraskan: Ensure the lifting lever is fully engaged when attempting to adjust the height. If the gas lift still doesn't work, it may need replacement. Contact customer support.
- Pemutus Tidak Berguling dengan Lancar: Tanggalkan sebarang rambut atau serpihan yang membalut roda kastor. Bersihkan roda dan gandar.
Spesifikasi
| Ciri | Perincian |
|---|---|
| Nama Jenama | DUMOS (also HUANHUI) |
| warna | Hitam |
| Kapasiti Berat | 500 paun |
| Gaya Belakang | Punggung Pejal, Mesh |
| Ciri Khas | Adjustable Height, Ergonomic Design, 4D Armrest, Rolling Casters, Adjustable Backrest (130° Rocking Mode), Dynamic Adjustable Lumbar Support, Thick Cushion |
| bahan | Breathable Mesh, High Rebound Sponge Cushion |
| Kaedah Pemasangan | Perhimpunan |
| asal usul | Tanah Besar China |
| Kegunaan Umum | Perabot Komersial |
| Penggunaan Khusus | Kerusi Pejabat |
| taip | Perabot Pejabat |
Dimensi Produk

- Overall Dimensions (approx.): 30.12"D x 29.94"W x 38.39"H
- Lebar Keseluruhan: 29.1 in (top of backrest), 27 in (base)
- Kedalaman Keseluruhan: 26.6 in (side view)
- Ketinggian Keseluruhan: 38.4 in - 42.3 in (adjustable)
- Lebar Tempat Duduk: 23.6 in
- Kedalaman Tempat Duduk: 22 in
- Ketinggian tempat duduk: 18.5 in - 22 in (adjustable)
- Ketinggian Sandaran: 20 in
- Ketinggian tempat letak tangan (dari tempat duduk): 4.3 in
- Armrest Height (from floor): 25.2 in - 32.3 in
Petua pengguna
To maximize your comfort and the lifespan of your DUMOS office chair, consider these tips:
- Optimal Lumbar Support: Experiment with the adjustable lumbar support's height to find the position that best aligns with the natural curve of your lower back, promoting good posture.
- Utilize Rocking Mode: Take short breaks throughout your workday to engage the rocking mode. This can help relieve pressure and improve circulation.
- Adjust Armrests for Ergonomics: Position the 4D armrests so your arms form a 90-degree angle at the elbow when typing, reducing strain on your shoulders and wrists.
- Pembersihan tetap: A quick weekly wipe-down of the mesh and cushion can prevent dust and grime buildup, keeping your chair fresh.
- Periksa Keketatan: Periodically (e.g., monthly) check and tighten all screws and bolts to maintain the chair's stability and prevent squeaks.
Waranti dan Sokongan
For warranty information, product support, or to inquire about replacement parts, please contact the seller or manufacturer directly. Keep your purchase receipt as proof of purchase.





